'America's Got Talent' tops Tuesday night

The show's LA auditions drew 13.3m viewers from 8pm to 9pm, while the second half of the two-hour episode reached a peak of 16.6m.

The first season of fellow reality series The Voice attracted 14.4m at 10pm, winning the night for NBC.

The NBA Finals Game 1 between the Dallas Mavericks and the Miami Heat pulled in a peak of 13.7m for ABC, with lead-in shows Jimmy Kimmel Game Night and NBA Countdown drawing 6.3m and 6.9m respectively.